246278380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{648101}}^1$

素因数の和:648129

約数の個数: 24

約数和(自身を含む): 544405680

約数和(自身を除く): 298127300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 648101, 1296202, 2592404, 3240505, 6481010, 12313919, 12962020, 24627838, 49255676, 61569595, 123139190, 246278380]

約数ペア:

[(1, 246278380), (2, 123139190), (4, 61569595), (5, 49255676), (10, 24627838), (19, 12962020), (20, 12313919), (38, 6481010), (76, 3240505), (95, 2592404), (190, 1296202), (380, 648101)]